A Lagrangian Multiplier Method for TDOA and FDOA Positioning of Multiple Disjoint Sources with Distance and Velocity Correlation Constraints

Table 7

Comparison of run time.

Localization method	Average CPU computational time (ms)
	2 sources (near-field)	3 sources (far-field)
TW-WLS method	1.67	2.38
ICWLS method	1.49	2.17
Gauss–Newton method	2.89	3.85
Proposed method	3.82	3.57